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![Linus Torvalds](/assets/img/avatar_default.png)
Introduced by 8adb711f36
("debugfs:
introduce stub for debugfs_create_size_t() when DEBUG_FS=n") and due to
a simple missing "static inline".
Reported-and-tested-by: Jeff Chua <jeff.chua.linux@gmail.com>
Acked-by: Greg KH <gregkh@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
188 lines
5.2 KiB
C
188 lines
5.2 KiB
C
/*
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* debugfs.h - a tiny little debug file system
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*
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* Copyright (C) 2004 Greg Kroah-Hartman <greg@kroah.com>
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* Copyright (C) 2004 IBM Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version
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* 2 as published by the Free Software Foundation.
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*
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* debugfs is for people to use instead of /proc or /sys.
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* See Documentation/DocBook/kernel-api for more details.
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*/
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#ifndef _DEBUGFS_H_
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#define _DEBUGFS_H_
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#include <linux/fs.h>
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#include <linux/types.h>
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struct file_operations;
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struct debugfs_blob_wrapper {
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void *data;
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unsigned long size;
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};
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extern struct dentry *arch_debugfs_dir;
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#if defined(CONFIG_DEBUG_FS)
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/* declared over in file.c */
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extern const struct file_operations debugfs_file_operations;
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extern const struct inode_operations debugfs_link_operations;
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struct dentry *debugfs_create_file(const char *name, mode_t mode,
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struct dentry *parent, void *data,
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const struct file_operations *fops);
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struct dentry *debugfs_create_dir(const char *name, struct dentry *parent);
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struct dentry *debugfs_create_symlink(const char *name, struct dentry *parent,
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const char *dest);
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void debugfs_remove(struct dentry *dentry);
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void debugfs_remove_recursive(struct dentry *dentry);
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struct dentry *debugfs_rename(struct dentry *old_dir, struct dentry *old_dentry,
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struct dentry *new_dir, const char *new_name);
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struct dentry *debugfs_create_u8(const char *name, mode_t mode,
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struct dentry *parent, u8 *value);
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struct dentry *debugfs_create_u16(const char *name, mode_t mode,
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struct dentry *parent, u16 *value);
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struct dentry *debugfs_create_u32(const char *name, mode_t mode,
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struct dentry *parent, u32 *value);
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struct dentry *debugfs_create_u64(const char *name, mode_t mode,
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struct dentry *parent, u64 *value);
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struct dentry *debugfs_create_x8(const char *name, mode_t mode,
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struct dentry *parent, u8 *value);
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struct dentry *debugfs_create_x16(const char *name, mode_t mode,
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struct dentry *parent, u16 *value);
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struct dentry *debugfs_create_x32(const char *name, mode_t mode,
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struct dentry *parent, u32 *value);
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struct dentry *debugfs_create_size_t(const char *name, mode_t mode,
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struct dentry *parent, size_t *value);
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struct dentry *debugfs_create_bool(const char *name, mode_t mode,
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struct dentry *parent, u32 *value);
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struct dentry *debugfs_create_blob(const char *name, mode_t mode,
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struct dentry *parent,
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struct debugfs_blob_wrapper *blob);
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#else
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#include <linux/err.h>
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/*
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* We do not return NULL from these functions if CONFIG_DEBUG_FS is not enabled
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* so users have a chance to detect if there was a real error or not. We don't
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* want to duplicate the design decision mistakes of procfs and devfs again.
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*/
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static inline struct dentry *debugfs_create_file(const char *name, mode_t mode,
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struct dentry *parent, void *data,
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const struct file_operations *fops)
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{
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return ERR_PTR(-ENODEV);
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}
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static inline struct dentry *debugfs_create_dir(const char *name,
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struct dentry *parent)
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{
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return ERR_PTR(-ENODEV);
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}
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static inline struct dentry *debugfs_create_symlink(const char *name,
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struct dentry *parent,
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const char *dest)
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{
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return ERR_PTR(-ENODEV);
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}
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static inline void debugfs_remove(struct dentry *dentry)
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{ }
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static inline void debugfs_remove_recursive(struct dentry *dentry)
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{ }
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static inline struct dentry *debugfs_rename(struct dentry *old_dir, struct dentry *old_dentry,
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struct dentry *new_dir, char *new_name)
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{
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return ERR_PTR(-ENODEV);
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}
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static inline struct dentry *debugfs_create_u8(const char *name, mode_t mode,
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struct dentry *parent,
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u8 *value)
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{
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return ERR_PTR(-ENODEV);
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}
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static inline struct dentry *debugfs_create_u16(const char *name, mode_t mode,
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struct dentry *parent,
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u16 *value)
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{
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return ERR_PTR(-ENODEV);
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}
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static inline struct dentry *debugfs_create_u32(const char *name, mode_t mode,
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struct dentry *parent,
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u32 *value)
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{
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return ERR_PTR(-ENODEV);
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}
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static inline struct dentry *debugfs_create_u64(const char *name, mode_t mode,
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struct dentry *parent,
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u64 *value)
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{
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return ERR_PTR(-ENODEV);
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}
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static inline struct dentry *debugfs_create_x8(const char *name, mode_t mode,
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struct dentry *parent,
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u8 *value)
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{
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return ERR_PTR(-ENODEV);
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}
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static inline struct dentry *debugfs_create_x16(const char *name, mode_t mode,
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struct dentry *parent,
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u16 *value)
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{
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return ERR_PTR(-ENODEV);
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}
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static inline struct dentry *debugfs_create_x32(const char *name, mode_t mode,
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struct dentry *parent,
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u32 *value)
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{
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return ERR_PTR(-ENODEV);
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}
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static inline struct dentry *debugfs_create_size_t(const char *name, mode_t mode,
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struct dentry *parent,
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size_t *value)
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{
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return ERR_PTR(-ENODEV);
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}
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static inline struct dentry *debugfs_create_bool(const char *name, mode_t mode,
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struct dentry *parent,
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u32 *value)
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{
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return ERR_PTR(-ENODEV);
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}
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static inline struct dentry *debugfs_create_blob(const char *name, mode_t mode,
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struct dentry *parent,
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struct debugfs_blob_wrapper *blob)
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{
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return ERR_PTR(-ENODEV);
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}
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#endif
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#endif
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